{ "items" : [
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      "properties" : {
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        "http://www.w3.org/ns/prov#value" : [ "In another embodiment, the invention is a system comprising: a user context query receiving module that receives user context queries from users, wherein each user context query is formulated as a parameter of a URL and comprises at least one user context criteria; a context query bid search module that formulates, for each user context query received by the user context query receiving module, a" ] ,
        "http://www.w3.org/ns/prov#wasQuotedFrom" : [ "google.com" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/256801028"
      "properties" : {
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    { "id" : "http://webisa.webdatacommons.org/prov/137819981"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/265770540"] } } }
